Service specific component commands fulfill an important role in training, equipping and resourcing the forces necessary to carry out USSTRATCOM's global missions.

U.S. Army Forces Strategic Command (ARSTRAT)
U.S. Army Space and Missile Defense Command/Army Forces Strategic Command (SMDC/ARSTRAT), an Army Service Component Command (ASCC), and serves as the ASCC to USSTRATCOM, conducts space operations and provides planning, integration, control, and coordination of Army forces and capabilities in support of USSTRATCOM missions; serves as proponent for space and ground-based midcourse defense and as Army operational integrator for global missile defense; conducts mission-related research, development, and acquisition in support of Army Title 10 responsibilities and serves as the focal point for desired characteristics and capabilities in support of USSTRATCOM missions. The command is headquartered at Redstone Arsenal, AL.

Fleet Forces Command
Fleet Forces Command, headquartered in Norfolk, Va., is the U.S. Navy component of U.S. Strategic Command. Fleet Forces Command is responsible for the entire Atlantic Ocean, the Caribbean Sea and the waters around Central and South America extending in the Pacific to the Galapagos Island. The U. S. Atlantic Fleet provides fully trained, combat-ready forces to support United States and NATO commanders in regions of conflict throughout the world. From the Adriatic Sea to the Arabian Gulf, Atlantic Fleet units are called upon to support U.S. combatant commanders and joint task force commanders for unified operations anywhere in the world. Additionally, the Fleet Forces Command provides readiness training, and logistical and administrative support for its surface ships, submarines and aviation squadrons.

Marine Corps Forces U.S. Strategic Command (MARFORSTRAT)
U.S. Marine Corps Forces, U.S. Strategic Command (MARFORSTRAT) serves as the U. S. Marine Corps service component to the Commander, USSTRATCOM. Headquarters, MARFORSTRAT is collocated with Headquarters, USSTRATCOM, and staffed with 10 Marines and 3 civilian employees. LT. GEN. George J. Flynn assumed command as Commander, U.S. Marine Corps Forces, U.S. Strategic Command on 28 July 2008. He also commands the Marine Corps Combat Development Command from his headquarters based in Quantico, Virginia. Headquarters, MARFORSTRAT is led by the Chief of Staff, a senior Colonel, permanently assigned to Offutt Air Force Base, Nebraska. Headquarters, MARFORSTRAT brings to USSTRATCOM a resident knowledge and access to Marine Corps capabilities that can support all USSTRATCOM mission areas. Particular focus is advising USSTRATCOM, subordinate Joint Force Commanders, functional component and service component commanders on the proper employment of U.S. Marine Corps forces and capabilities. MARFORSTRAT also fulfills the USMC advocacy role for USSTRATCOM.

Air Force Space Command (AFSPC)
Air Force Space Command provides space forces and trained ICBM forces for USSTRATCOM. AFSPC has two numbered air forces. Fourteenth Air Force provides space warfighting forces to USSTRATCOM, and is located at Vandenberg AFB, Calif. Fourteenth Air Force manages the generation and employment of space forces to support USSTRATCOM operational plans and missions. Twentieth Air Force is located at F.E. Warren AFB, Wyo. Twentieth Air Force operates and maintains AFSPC's ICBM weapon systems in support of USSTRATCOM war plans. AFSPC supports USSTRATCOM with ballistic missile warning information, operates the Space Innovation and Development Center to develop space applications for direct warfighter support, and is responsible for the Department of Defense's ICBM follow-on operational test and evaluation program. AFSPC operates and supports the Global Positioning System, Defense Satellite Communications Systems Phase II and III, Defense Meteorological Support Program, Defense Support Program, NATO III and IV communications and Fleet Satellite Communications System UHF follow-on and MILSTAR satellites. AFSPC currently operates the Atlas II, Delta II, Titan II and Titan IV launch vehicles. This includes all of the nation's primary boosters from the Eastern and Western ranges and range support for the space shuttle. AFSPC also operates the nation's primary source of continuous, real-time solar flare warnings. The command also operates a worldwide network of satellite tracking stations to provide communications links to satellites -- a system called the Air Force Satellite Control Network.